Weather on September 21
Garland, TX
55 Years of Data
Avg High
88°F
Avg Low
64°F
Warmest
2024
86°F avg
Coldest
1971
60°F avg
About This Date
September 21st in Garland, TX typically brings warm fall weather, with average highs around 88°F and lows near 64°F. Over 55 years of records, the warmest September 21st was in 2024 (86°F average), while the coldest was 1971 (60°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 27% of September 21st dates historically, with the wettest September 21st recording 10.82" of rain. The last decade has been 4.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.5°F warmer on this date compared to 20-30 years ago.
Planning for September 21st in Garland, TX? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 92° | 74° | 83° | 0.81" | — |
| 2024warmest | 96° | 76° | 86° | — | — |
| 2023 | 93° | 75° | 84° | — | — |
| 2022 | 95° | 72° | 83° | — | — |
| 2021 | 86° | 69° | 78° | — | — |
| 2020 | 74° | 57° | 65° | 0.43" | — |
| 2019 | 97° | 74° | 85° | 1.96" | — |
| 2018 | 81° | 72° | 76° | 10.82" | — |
| 2017 | 93° | 77° | 85° | — | — |
| 2016 | 92° | 71° | 81° | — | — |
| 2015 | 92° | 66° | 79° | — | — |
| 2014 | 93° | 67° | 80° | — | — |
| 2013 | 83° | 60° | 71° | 0.03" | — |
| 2012 | 93° | 64° | 79° | — | — |
| 2011 | 92° | 64° | 78° | — | — |
| 2010 | 87° | 71° | 79° | 0.05" | — |
| 2009 | 88° | 68° | 78° | 0.84" | — |
| 2008 | 85° | 65° | 75° | — | — |
| 2007 | 89° | 64° | 77° | — | — |
| 2006 | 89° | 65° | 77° | — | — |
| 2005 | 100° | 64° | 82° | — | — |
| 2004 | 89° | 59° | 74° | — | — |
| 2003 | 85° | 59° | 72° | — | — |
| 2002 | 87° | 54° | 70° | — | — |
| 2001 | 87° | 64° | 76° | 1.57" | — |
| 2000 | 97° | 64° | 80° | — | — |
| 1999 | 95° | 56° | 75° | — | — |
| 1998 | 96° | 72° | 84° | — | — |
| 1997 | 96° | 61° | 78° | — | — |
| 1996 | 82° | 58° | 70° | — | — |
| 1995 | 77° | 64° | 71° | — | — |
| 1994 | 86° | 57° | 72° | — | — |
| 1993 | 96° | 70° | 83° | — | — |
| 1992 | 92° | 67° | 79° | 1.85" | — |
| 1991 | 73° | 52° | 62° | — | — |
| 1990 | 85° | 70° | 77° | 0.64" | — |
| 1989 | 86° | 59° | 73° | — | — |
| 1988 | 91° | 69° | 80° | — | — |
| 1987 | 87° | 59° | 73° | — | — |
| 1986 | 91° | 71° | 81° | — | — |
| 1985 | 90° | 59° | 74° | — | — |
| 1984 | 83° | 65° | 74° | — | — |
| 1983 | 83° | 49° | 66° | 0.61" | — |
| 1982 | 81° | 57° | 69° | 0.03" | — |
| 1981 | 84° | 55° | 70° | — | — |
| 1980 | 95° | 72° | 83° | — | — |
| 1979 | 75° | 63° | 69° | 0.91" | — |
| 1978 | 92° | 67° | 79° | 1.17" | — |
| 1977 | 89° | 64° | 77° | — | — |
| 1976 | 78° | 59° | 69° | — | — |
| 1975 | 83° | 61° | 72° | — | — |
| 1974 | 87° | 66° | 77° | 8.13" | — |
| 1973 | 88° | 70° | 79° | — | — |
| 1972 | 93° | 72° | 82° | — | — |
| 1971coldest | 74° | 47° | 60° | — | — |
55 years of data from RICHARDSON